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 Issue dateTitleTopic
05000327/LER-2021-001, & LER 2021-001-00 for Sequoyah Nuclear Plant, Units 1 & 2, Ice Bed Inoperable Due to Exceeding Surveillance Requirement Frequency22 September 2021& LER 2021-001-00 for Sequoyah Nuclear Plant, Units 1 & 2, Ice Bed Inoperable Due to Exceeding Surveillance Requirement FrequencySafe Shutdown
05000327/LER-2017-00214 July 2017Automatic Actuation of Emergency Diesel Generators Due to Loss of Power to 6.9kV Shutdown Board
LER 17-002-00 for Sequoyah, Unit 1, Regarding Automatic Actuation of Emergency Diesel Generators Due to Loss of Power to 6.9kV Shutdown Board
Safe Shutdown
05000327/LER-2017-00126 April 2017Breached Door Renders Both Trains of the Auxiliary Building Gas Treatment System Inoperable
LER 17-001-00 for Sequoyah, Unit 1, Regarding Breached Door Renders Both Trains of the Auxiliary Building Gas Treatment System Inoperable
Safe Shutdown
Probabilistic Risk Assessment
Continuous fire watch
05000327/LER-2016-00111 April 2016Automatic Safety Injection due to Low Steam Line Pressure on Loop 2 Main Steam
LER 16-001-00 for Sequoyah, Unit 1, Regarding Automatic Safety Injection due to Low Steam Line Pressure on Loop 2 Main Steam
Safe Shutdown
05000327/LER-2015-00422 January 2016Manual Reactor Trip due to Main Steam Isolation Valve Drifting in the Closed Direction
LER 15-004-00 for Sequoyah, Unit 1, Regarding Manual Reactor Trip Due to Main Steam Isolation Valve Drifting in the Closed Direction
Safe Shutdown
Post Accident Monitoring
05000328/LER-2015-0026 January 2016Unanalyzed Condition Due To Inoperable Containment Recirculation Drains
LER 15-002-00 for Sequoyah, Unit 2, Regarding Unanalyzed Condition Due to Inoperable Containment Recirculation Drains
Safe Shutdown
Unanalyzed Condition
ML11276A14930 September 2011Revised Submittal Schedule for Supplemental Report for License Event Report 327/2011-003, Unit I Reactor Trip as a Result of Turbine Control Card Failure
ML11256A0166 September 2011Withdrawal of License Event Report 327/2011-002, Feedwater Regulator Valve Inoperable
ML0516403157 June 2005LER 50-001-00 for Sequoyah, Unit 1 Re Automatic Reactor Trip Following Loss of Turbine Auto Stop Oil (ASO) Pressure
ML0325804392 September 2003LER 03-S01-00, Sequoyah Units 1 & 2, 30-Day Report Re Uncontrolled Security Weapon in the Protected Area